Answer:

Step-by-step explanation:

1/3 of an hour= 60mins/3
= 20 mins
1/2an hour= 60mins/2
= 30 mins
30+20 = 50 minutes total
Answer:
45°,55° and 80°.
Step-by-step explanation:
Dilations preserve angle measures, regardless of the scale factor. Therefore, the angle measures of the image will be the same of that of the pre-image, so our answer is still 45 °, 55 °, and 80 °.
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Answer:
4.2
Step-by-step explanation:
Yes
Answer:
6 3/11
Step-by-step explanation:
Subtract the whole numbers: 10 - 4 = 6
Subtract the fractions: 5/11 - 2/11 = 3/11
10 5/11 - 4 2/11 = 6 3/11